/* 全局样式 */
body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f5f5f5;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

/* 导航栏样式 */
.navbar {
  background-color: #333;
  color: #fff;
  padding: 10px;
}

.navbar a {
  color: #fff;
  text-decoration: none;
  margin-right: 10px;
}

.navbar a:hover {
  text-decoration: underline;
}

/* 页面标题样式 */
h1 {
  font-size: 24px;
  margin-bottom: 20px;
}

/* 课程列表样式 */
.course-list {
  list-style: none;
  padding: 0;
}

.course-item {
  background-color: #fff;
  border-radius: 5px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.course-title {
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 10px;
}

.course-description {
  color: #666;
  margin-bottom: 10px;
}

.course-meta {
  font-size: 14px;
  color: #999;
}

/* 推荐列表样式 */
.recommendation-list {
  list-style: none;
  padding: 0;
}

.recommendation-item {
  background-color: #fff;
  border-radius: 5px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.recommendation-course {
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 10px;
}

.recommendation-score {
  font-size: 16px;
  color: #666;
}

/* 按钮样式 */
.btn {
  display: inline-block;
  padding: 10px 20px;
  background-color: #333;
  color: #fff;
  text-decoration: none;
  border-radius: 5px;
  transition: background-color 0.3s ease;
}

.btn:hover {
  background-color: #555;
}

/* 表单样式 */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-weight: bold;
  margin-bottom: 5px;
}

.form-input {
  width: 100%;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 5px;
}

.form-submit {
  padding: 10px 20px;
  background-color: #333;
  color: #fff;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

.form-submit:hover {
  background-color: #555;
}
